1use std::collections::BTreeMap;
2use std::sync::Arc;
3
4use crate::assistant_model_selector::ModelType;
5use crate::context::{ContextLoadResult, load_context};
6use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
7use buffer_diff::BufferDiff;
8use collections::HashSet;
9use editor::actions::{MoveUp, Paste};
10use editor::{
11 ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent, EditorMode,
12 EditorStyle, MultiBuffer,
13};
14use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
15use file_icons::FileIcons;
16use fs::Fs;
17use futures::future::Shared;
18use futures::{FutureExt as _, future};
19use gpui::{
20 Animation, AnimationExt, App, ClipboardEntry, Entity, EventEmitter, Focusable, Subscription,
21 Task, TextStyle, WeakEntity, linear_color_stop, linear_gradient, point, pulsating_between,
22};
23use language::{Buffer, Language};
24use language_model::{
25 ConfiguredModel, LanguageModelRegistry, LanguageModelRequestMessage, MessageContent,
26};
27use language_model_selector::ToggleModelSelector;
28use multi_buffer;
29use project::Project;
30use prompt_store::PromptStore;
31use settings::Settings;
32use std::time::Duration;
33use theme::ThemeSettings;
34use ui::{Disclosure, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
35use util::ResultExt as _;
36use workspace::Workspace;
37use zed_llm_client::CompletionMode;
38
39use crate::assistant_model_selector::AssistantModelSelector;
40use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
41use crate::context_store::ContextStore;
42use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
43use crate::profile_selector::ProfileSelector;
44use crate::thread::{Thread, TokenUsageRatio};
45use crate::thread_store::ThreadStore;
46use crate::{
47 AgentDiff, Chat, ChatMode, ExpandMessageEditor, NewThread, OpenAgentDiff, RemoveAllContext,
48 ToggleContextPicker, ToggleProfileSelector,
49};
50
51pub struct MessageEditor {
52 thread: Entity<Thread>,
53 incompatible_tools_state: Entity<IncompatibleToolsState>,
54 editor: Entity<Editor>,
55 workspace: WeakEntity<Workspace>,
56 project: Entity<Project>,
57 context_store: Entity<ContextStore>,
58 prompt_store: Option<Entity<PromptStore>>,
59 context_strip: Entity<ContextStrip>,
60 context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
61 model_selector: Entity<AssistantModelSelector>,
62 last_loaded_context: Option<ContextLoadResult>,
63 load_context_task: Option<Shared<Task<()>>>,
64 profile_selector: Entity<ProfileSelector>,
65 edits_expanded: bool,
66 editor_is_expanded: bool,
67 last_estimated_token_count: Option<usize>,
68 update_token_count_task: Option<Task<anyhow::Result<()>>>,
69 _subscriptions: Vec<Subscription>,
70}
71
72const MAX_EDITOR_LINES: usize = 8;
73
74impl MessageEditor {
75 pub fn new(
76 fs: Arc<dyn Fs>,
77 workspace: WeakEntity<Workspace>,
78 context_store: Entity<ContextStore>,
79 prompt_store: Option<Entity<PromptStore>>,
80 thread_store: WeakEntity<ThreadStore>,
81 thread: Entity<Thread>,
82 window: &mut Window,
83 cx: &mut Context<Self>,
84 ) -> Self {
85 let context_picker_menu_handle = PopoverMenuHandle::default();
86 let model_selector_menu_handle = PopoverMenuHandle::default();
87
88 let language = Language::new(
89 language::LanguageConfig {
90 completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
91 ..Default::default()
92 },
93 None,
94 );
95
96 let editor = cx.new(|cx| {
97 let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
98 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
99 let mut editor = Editor::new(
100 editor::EditorMode::AutoHeight {
101 max_lines: MAX_EDITOR_LINES,
102 },
103 buffer,
104 None,
105 window,
106 cx,
107 );
108 editor.set_placeholder_text("Ask anything, @ to mention, ↑ to select", cx);
109 editor.set_show_indent_guides(false, cx);
110 editor.set_soft_wrap();
111 editor.set_context_menu_options(ContextMenuOptions {
112 min_entries_visible: 12,
113 max_entries_visible: 12,
114 placement: Some(ContextMenuPlacement::Above),
115 });
116 editor
117 });
118
119 let editor_entity = editor.downgrade();
120 editor.update(cx, |editor, _| {
121 editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
122 workspace.clone(),
123 context_store.downgrade(),
124 Some(thread_store.clone()),
125 editor_entity,
126 ))));
127 });
128
129 let context_strip = cx.new(|cx| {
130 ContextStrip::new(
131 context_store.clone(),
132 workspace.clone(),
133 Some(thread_store.clone()),
134 context_picker_menu_handle.clone(),
135 SuggestContextKind::File,
136 window,
137 cx,
138 )
139 });
140
141 let incompatible_tools =
142 cx.new(|cx| IncompatibleToolsState::new(thread.read(cx).tools().clone(), cx));
143
144 let subscriptions = vec![
145 cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event),
146 cx.subscribe(&editor, |this, _, event, cx| match event {
147 EditorEvent::BufferEdited => this.handle_message_changed(cx),
148 _ => {}
149 }),
150 cx.observe(&context_store, |this, _, cx| {
151 // When context changes, reload it for token counting.
152 let _ = this.reload_context(cx);
153 }),
154 ];
155
156 Self {
157 editor: editor.clone(),
158 project: thread.read(cx).project().clone(),
159 thread,
160 incompatible_tools_state: incompatible_tools.clone(),
161 workspace,
162 context_store,
163 prompt_store,
164 context_strip,
165 context_picker_menu_handle,
166 load_context_task: None,
167 last_loaded_context: None,
168 model_selector: cx.new(|cx| {
169 AssistantModelSelector::new(
170 fs.clone(),
171 model_selector_menu_handle,
172 editor.focus_handle(cx),
173 ModelType::Default,
174 window,
175 cx,
176 )
177 }),
178 edits_expanded: false,
179 editor_is_expanded: false,
180 profile_selector: cx
181 .new(|cx| ProfileSelector::new(fs, thread_store, editor.focus_handle(cx), cx)),
182 last_estimated_token_count: None,
183 update_token_count_task: None,
184 _subscriptions: subscriptions,
185 }
186 }
187
188 pub fn context_store(&self) -> &Entity<ContextStore> {
189 &self.context_store
190 }
191
192 fn toggle_chat_mode(&mut self, _: &ChatMode, _window: &mut Window, cx: &mut Context<Self>) {
193 cx.notify();
194 }
195
196 pub fn expand_message_editor(
197 &mut self,
198 _: &ExpandMessageEditor,
199 _window: &mut Window,
200 cx: &mut Context<Self>,
201 ) {
202 self.set_editor_is_expanded(!self.editor_is_expanded, cx);
203 }
204
205 fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
206 self.editor_is_expanded = is_expanded;
207 self.editor.update(cx, |editor, _| {
208 if self.editor_is_expanded {
209 editor.set_mode(EditorMode::Full {
210 scale_ui_elements_with_buffer_font_size: false,
211 show_active_line_background: false,
212 sized_by_content: false,
213 })
214 } else {
215 editor.set_mode(EditorMode::AutoHeight {
216 max_lines: MAX_EDITOR_LINES,
217 })
218 }
219 });
220 cx.notify();
221 }
222
223 fn toggle_context_picker(
224 &mut self,
225 _: &ToggleContextPicker,
226 window: &mut Window,
227 cx: &mut Context<Self>,
228 ) {
229 self.context_picker_menu_handle.toggle(window, cx);
230 }
231
232 pub fn remove_all_context(
233 &mut self,
234 _: &RemoveAllContext,
235 _window: &mut Window,
236 cx: &mut Context<Self>,
237 ) {
238 self.context_store.update(cx, |store, _cx| store.clear());
239 cx.notify();
240 }
241
242 fn chat(&mut self, _: &Chat, window: &mut Window, cx: &mut Context<Self>) {
243 if self.is_editor_empty(cx) {
244 return;
245 }
246
247 self.thread.update(cx, |thread, cx| {
248 thread.cancel_editing(cx);
249 });
250
251 if self.thread.read(cx).is_generating() {
252 self.stop_current_and_send_new_message(window, cx);
253 return;
254 }
255
256 self.set_editor_is_expanded(false, cx);
257 self.send_to_model(window, cx);
258
259 cx.notify();
260 }
261
262 fn is_editor_empty(&self, cx: &App) -> bool {
263 self.editor.read(cx).text(cx).trim().is_empty()
264 }
265
266 fn is_model_selected(&self, cx: &App) -> bool {
267 LanguageModelRegistry::read_global(cx)
268 .default_model()
269 .is_some()
270 }
271
272 fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
273 let model_registry = LanguageModelRegistry::read_global(cx);
274 let Some(ConfiguredModel { model, provider }) = model_registry.default_model() else {
275 return;
276 };
277
278 if provider.must_accept_terms(cx) {
279 cx.notify();
280 return;
281 }
282
283 let user_message = self.editor.update(cx, |editor, cx| {
284 let text = editor.text(cx);
285 editor.clear(window, cx);
286 text
287 });
288
289 self.last_estimated_token_count.take();
290 cx.emit(MessageEditorEvent::EstimatedTokenCount);
291
292 let thread = self.thread.clone();
293 let git_store = self.project.read(cx).git_store().clone();
294 let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
295 let context_task = self.reload_context(cx);
296 let window_handle = window.window_handle();
297
298 cx.spawn(async move |_this, cx| {
299 let (checkpoint, loaded_context) = future::join(checkpoint, context_task).await;
300 let loaded_context = loaded_context.unwrap_or_default();
301
302 thread
303 .update(cx, |thread, cx| {
304 thread.insert_user_message(user_message, loaded_context, checkpoint.ok(), cx);
305 })
306 .log_err();
307
308 thread
309 .update(cx, |thread, cx| {
310 thread.advance_prompt_id();
311 thread.send_to_model(model, Some(window_handle), cx);
312 })
313 .log_err();
314 })
315 .detach();
316 }
317
318 fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
319 self.thread.update(cx, |thread, cx| {
320 thread.cancel_editing(cx);
321 });
322
323 let cancelled = self.thread.update(cx, |thread, cx| {
324 thread.cancel_last_completion(Some(window.window_handle()), cx)
325 });
326
327 if cancelled {
328 self.set_editor_is_expanded(false, cx);
329 self.send_to_model(window, cx);
330 }
331 }
332
333 fn handle_context_strip_event(
334 &mut self,
335 _context_strip: &Entity<ContextStrip>,
336 event: &ContextStripEvent,
337 window: &mut Window,
338 cx: &mut Context<Self>,
339 ) {
340 match event {
341 ContextStripEvent::PickerDismissed
342 | ContextStripEvent::BlurredEmpty
343 | ContextStripEvent::BlurredDown => {
344 let editor_focus_handle = self.editor.focus_handle(cx);
345 window.focus(&editor_focus_handle);
346 }
347 ContextStripEvent::BlurredUp => {}
348 }
349 }
350
351 fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
352 if self.context_picker_menu_handle.is_deployed() {
353 cx.propagate();
354 } else {
355 self.context_strip.focus_handle(cx).focus(window);
356 }
357 }
358
359 fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
360 let images = cx
361 .read_from_clipboard()
362 .map(|item| {
363 item.into_entries()
364 .filter_map(|entry| {
365 if let ClipboardEntry::Image(image) = entry {
366 Some(image)
367 } else {
368 None
369 }
370 })
371 .collect::<Vec<_>>()
372 })
373 .unwrap_or_default();
374
375 if images.is_empty() {
376 return;
377 }
378 cx.stop_propagation();
379
380 self.context_store.update(cx, |store, cx| {
381 for image in images {
382 store.add_image(Arc::new(image), cx);
383 }
384 });
385 }
386
387 fn handle_review_click(&mut self, window: &mut Window, cx: &mut Context<Self>) {
388 self.edits_expanded = true;
389 AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
390 cx.notify();
391 }
392
393 fn handle_file_click(
394 &self,
395 buffer: Entity<Buffer>,
396 window: &mut Window,
397 cx: &mut Context<Self>,
398 ) {
399 if let Ok(diff) = AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
400 {
401 let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
402 diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
403 }
404 }
405
406 fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
407 if !cx.has_flag::<NewBillingFeatureFlag>() {
408 return None;
409 }
410
411 let model = LanguageModelRegistry::read_global(cx)
412 .default_model()
413 .map(|default| default.model.clone())?;
414 if !model.supports_max_mode() {
415 return None;
416 }
417
418 let active_completion_mode = self.thread.read(cx).completion_mode();
419
420 Some(
421 IconButton::new("max-mode", IconName::SquarePlus)
422 .icon_size(IconSize::Small)
423 .toggle_state(active_completion_mode == Some(CompletionMode::Max))
424 .on_click(cx.listener(move |this, _event, _window, cx| {
425 this.thread.update(cx, |thread, _cx| {
426 thread.set_completion_mode(match active_completion_mode {
427 Some(CompletionMode::Max) => Some(CompletionMode::Normal),
428 Some(CompletionMode::Normal) | None => Some(CompletionMode::Max),
429 });
430 });
431 }))
432 .tooltip(Tooltip::text("Max Mode"))
433 .into_any_element(),
434 )
435 }
436
437 fn render_editor(
438 &self,
439 font_size: Rems,
440 line_height: Pixels,
441 window: &mut Window,
442 cx: &mut Context<Self>,
443 ) -> Div {
444 let thread = self.thread.read(cx);
445
446 let editor_bg_color = cx.theme().colors().editor_background;
447 let is_generating = thread.is_generating();
448 let focus_handle = self.editor.focus_handle(cx);
449
450 let is_model_selected = self.is_model_selected(cx);
451 let is_editor_empty = self.is_editor_empty(cx);
452
453 let model = LanguageModelRegistry::read_global(cx)
454 .default_model()
455 .map(|default| default.model.clone());
456
457 let incompatible_tools = model
458 .as_ref()
459 .map(|model| {
460 self.incompatible_tools_state.update(cx, |state, cx| {
461 state
462 .incompatible_tools(model, cx)
463 .iter()
464 .cloned()
465 .collect::<Vec<_>>()
466 })
467 })
468 .unwrap_or_default();
469
470 let is_editor_expanded = self.editor_is_expanded;
471 let expand_icon = if is_editor_expanded {
472 IconName::Minimize
473 } else {
474 IconName::Maximize
475 };
476
477 v_flex()
478 .key_context("MessageEditor")
479 .on_action(cx.listener(Self::chat))
480 .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
481 this.profile_selector
482 .read(cx)
483 .menu_handle()
484 .toggle(window, cx);
485 }))
486 .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
487 this.model_selector
488 .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
489 }))
490 .on_action(cx.listener(Self::toggle_context_picker))
491 .on_action(cx.listener(Self::remove_all_context))
492 .on_action(cx.listener(Self::move_up))
493 .on_action(cx.listener(Self::toggle_chat_mode))
494 .on_action(cx.listener(Self::expand_message_editor))
495 .capture_action(cx.listener(Self::paste))
496 .gap_2()
497 .p_2()
498 .bg(editor_bg_color)
499 .border_t_1()
500 .border_color(cx.theme().colors().border)
501 .child(
502 h_flex()
503 .items_start()
504 .justify_between()
505 .child(self.context_strip.clone())
506 .child(
507 IconButton::new("toggle-height", expand_icon)
508 .icon_size(IconSize::XSmall)
509 .icon_color(Color::Muted)
510 .tooltip({
511 let focus_handle = focus_handle.clone();
512 move |window, cx| {
513 let expand_label = if is_editor_expanded {
514 "Minimize Message Editor".to_string()
515 } else {
516 "Expand Message Editor".to_string()
517 };
518
519 Tooltip::for_action_in(
520 expand_label,
521 &ExpandMessageEditor,
522 &focus_handle,
523 window,
524 cx,
525 )
526 }
527 })
528 .on_click(cx.listener(|_, _, window, cx| {
529 window.dispatch_action(Box::new(ExpandMessageEditor), cx);
530 })),
531 ),
532 )
533 .child(
534 v_flex()
535 .size_full()
536 .gap_4()
537 .when(is_editor_expanded, |this| {
538 this.h(vh(0.8, window)).justify_between()
539 })
540 .child(
541 div()
542 .min_h_16()
543 .when(is_editor_expanded, |this| this.h_full())
544 .child({
545 let settings = ThemeSettings::get_global(cx);
546
547 let text_style = TextStyle {
548 color: cx.theme().colors().text,
549 font_family: settings.buffer_font.family.clone(),
550 font_fallbacks: settings.buffer_font.fallbacks.clone(),
551 font_features: settings.buffer_font.features.clone(),
552 font_size: font_size.into(),
553 line_height: line_height.into(),
554 ..Default::default()
555 };
556
557 EditorElement::new(
558 &self.editor,
559 EditorStyle {
560 background: editor_bg_color,
561 local_player: cx.theme().players().local(),
562 text: text_style,
563 syntax: cx.theme().syntax().clone(),
564 ..Default::default()
565 },
566 )
567 .into_any()
568 }),
569 )
570 .child(
571 h_flex()
572 .flex_none()
573 .justify_between()
574 .child(h_flex().gap_2().child(self.profile_selector.clone()))
575 .child(
576 h_flex()
577 .gap_1()
578 .when(!incompatible_tools.is_empty(), |this| {
579 this.child(
580 IconButton::new(
581 "tools-incompatible-warning",
582 IconName::Warning,
583 )
584 .icon_color(Color::Warning)
585 .icon_size(IconSize::Small)
586 .tooltip({
587 move |_, cx| {
588 cx.new(|_| IncompatibleToolsTooltip {
589 incompatible_tools: incompatible_tools
590 .clone(),
591 })
592 .into()
593 }
594 }),
595 )
596 })
597 .children(self.render_max_mode_toggle(cx))
598 .child(self.model_selector.clone())
599 .map({
600 let focus_handle = focus_handle.clone();
601 move |parent| {
602 if is_generating {
603 parent
604 .when(is_editor_empty, |parent| {
605 parent.child(
606 IconButton::new(
607 "stop-generation",
608 IconName::StopFilled,
609 )
610 .icon_color(Color::Error)
611 .style(ButtonStyle::Tinted(
612 ui::TintColor::Error,
613 ))
614 .tooltip(move |window, cx| {
615 Tooltip::for_action(
616 "Stop Generation",
617 &editor::actions::Cancel,
618 window,
619 cx,
620 )
621 })
622 .on_click({
623 let focus_handle =
624 focus_handle.clone();
625 move |_event, window, cx| {
626 focus_handle.dispatch_action(
627 &editor::actions::Cancel,
628 window,
629 cx,
630 );
631 }
632 })
633 .with_animation(
634 "pulsating-label",
635 Animation::new(
636 Duration::from_secs(2),
637 )
638 .repeat()
639 .with_easing(pulsating_between(
640 0.4, 1.0,
641 )),
642 |icon_button, delta| {
643 icon_button.alpha(delta)
644 },
645 ),
646 )
647 })
648 .when(!is_editor_empty, |parent| {
649 parent.child(
650 IconButton::new(
651 "send-message",
652 IconName::Send,
653 )
654 .icon_color(Color::Accent)
655 .style(ButtonStyle::Filled)
656 .disabled(!is_model_selected)
657 .on_click({
658 let focus_handle =
659 focus_handle.clone();
660 move |_event, window, cx| {
661 focus_handle.dispatch_action(
662 &Chat, window, cx,
663 );
664 }
665 })
666 .tooltip(move |window, cx| {
667 Tooltip::for_action(
668 "Stop and Send New Message",
669 &Chat,
670 window,
671 cx,
672 )
673 }),
674 )
675 })
676 } else {
677 parent.child(
678 IconButton::new("send-message", IconName::Send)
679 .icon_color(Color::Accent)
680 .style(ButtonStyle::Filled)
681 .disabled(
682 is_editor_empty || !is_model_selected,
683 )
684 .on_click({
685 let focus_handle = focus_handle.clone();
686 move |_event, window, cx| {
687 focus_handle.dispatch_action(
688 &Chat, window, cx,
689 );
690 }
691 })
692 .when(
693 !is_editor_empty && is_model_selected,
694 |button| {
695 button.tooltip(move |window, cx| {
696 Tooltip::for_action(
697 "Send", &Chat, window, cx,
698 )
699 })
700 },
701 )
702 .when(is_editor_empty, |button| {
703 button.tooltip(Tooltip::text(
704 "Type a message to submit",
705 ))
706 })
707 .when(!is_model_selected, |button| {
708 button.tooltip(Tooltip::text(
709 "Select a model to continue",
710 ))
711 }),
712 )
713 }
714 }
715 }),
716 ),
717 ),
718 )
719 }
720
721 fn render_changed_buffers(
722 &self,
723 changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
724 window: &mut Window,
725 cx: &mut Context<Self>,
726 ) -> Div {
727 let focus_handle = self.editor.focus_handle(cx);
728
729 let editor_bg_color = cx.theme().colors().editor_background;
730 let border_color = cx.theme().colors().border;
731 let active_color = cx.theme().colors().element_selected;
732 let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
733 let is_edit_changes_expanded = self.edits_expanded;
734
735 v_flex()
736 .mx_2()
737 .bg(bg_edit_files_disclosure)
738 .border_1()
739 .border_b_0()
740 .border_color(border_color)
741 .rounded_t_md()
742 .shadow(smallvec::smallvec![gpui::BoxShadow {
743 color: gpui::black().opacity(0.15),
744 offset: point(px(1.), px(-1.)),
745 blur_radius: px(3.),
746 spread_radius: px(0.),
747 }])
748 .child(
749 h_flex()
750 .id("edits-container")
751 .cursor_pointer()
752 .p_1p5()
753 .justify_between()
754 .when(is_edit_changes_expanded, |this| {
755 this.border_b_1().border_color(border_color)
756 })
757 .on_click(
758 cx.listener(|this, _, window, cx| this.handle_review_click(window, cx)),
759 )
760 .child(
761 h_flex()
762 .gap_1()
763 .child(
764 Disclosure::new("edits-disclosure", is_edit_changes_expanded)
765 .on_click(cx.listener(|this, _ev, _window, cx| {
766 this.edits_expanded = !this.edits_expanded;
767 cx.notify();
768 })),
769 )
770 .child(
771 Label::new("Edits")
772 .size(LabelSize::Small)
773 .color(Color::Muted),
774 )
775 .child(Label::new("•").size(LabelSize::XSmall).color(Color::Muted))
776 .child(
777 Label::new(format!(
778 "{} {}",
779 changed_buffers.len(),
780 if changed_buffers.len() == 1 {
781 "file"
782 } else {
783 "files"
784 }
785 ))
786 .size(LabelSize::Small)
787 .color(Color::Muted),
788 ),
789 )
790 .child(
791 Button::new("review", "Review Changes")
792 .label_size(LabelSize::Small)
793 .key_binding(
794 KeyBinding::for_action_in(
795 &OpenAgentDiff,
796 &focus_handle,
797 window,
798 cx,
799 )
800 .map(|kb| kb.size(rems_from_px(12.))),
801 )
802 .on_click(cx.listener(|this, _, window, cx| {
803 this.handle_review_click(window, cx)
804 })),
805 ),
806 )
807 .when(is_edit_changes_expanded, |parent| {
808 parent.child(
809 v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
810 |(index, (buffer, _diff))| {
811 let file = buffer.read(cx).file()?;
812 let path = file.path();
813
814 let parent_label = path.parent().and_then(|parent| {
815 let parent_str = parent.to_string_lossy();
816
817 if parent_str.is_empty() {
818 None
819 } else {
820 Some(
821 Label::new(format!(
822 "/{}{}",
823 parent_str,
824 std::path::MAIN_SEPARATOR_STR
825 ))
826 .color(Color::Muted)
827 .size(LabelSize::XSmall)
828 .buffer_font(cx),
829 )
830 }
831 });
832
833 let name_label = path.file_name().map(|name| {
834 Label::new(name.to_string_lossy().to_string())
835 .size(LabelSize::XSmall)
836 .buffer_font(cx)
837 });
838
839 let file_icon = FileIcons::get_icon(&path, cx)
840 .map(Icon::from_path)
841 .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
842 .unwrap_or_else(|| {
843 Icon::new(IconName::File)
844 .color(Color::Muted)
845 .size(IconSize::Small)
846 });
847
848 let hover_color = cx
849 .theme()
850 .colors()
851 .element_background
852 .blend(cx.theme().colors().editor_foreground.opacity(0.025));
853
854 let overlay_gradient = linear_gradient(
855 90.,
856 linear_color_stop(editor_bg_color, 1.),
857 linear_color_stop(editor_bg_color.opacity(0.2), 0.),
858 );
859
860 let overlay_gradient_hover = linear_gradient(
861 90.,
862 linear_color_stop(hover_color, 1.),
863 linear_color_stop(hover_color.opacity(0.2), 0.),
864 );
865
866 let element = h_flex()
867 .group("edited-code")
868 .id(("file-container", index))
869 .cursor_pointer()
870 .relative()
871 .py_1()
872 .pl_2()
873 .pr_1()
874 .gap_2()
875 .justify_between()
876 .bg(cx.theme().colors().editor_background)
877 .hover(|style| style.bg(hover_color))
878 .when(index + 1 < changed_buffers.len(), |parent| {
879 parent.border_color(border_color).border_b_1()
880 })
881 .child(
882 h_flex()
883 .id("file-name")
884 .pr_8()
885 .gap_1p5()
886 .max_w_full()
887 .overflow_x_scroll()
888 .child(file_icon)
889 .child(
890 h_flex()
891 .gap_0p5()
892 .children(name_label)
893 .children(parent_label),
894 ) // TODO: show lines changed
895 .child(Label::new("+").color(Color::Created))
896 .child(Label::new("-").color(Color::Deleted)),
897 )
898 .child(
899 div().visible_on_hover("edited-code").child(
900 Button::new("review", "Review")
901 .label_size(LabelSize::Small)
902 .on_click({
903 let buffer = buffer.clone();
904 cx.listener(move |this, _, window, cx| {
905 this.handle_file_click(
906 buffer.clone(),
907 window,
908 cx,
909 );
910 })
911 }),
912 ),
913 )
914 .child(
915 div()
916 .id("gradient-overlay")
917 .absolute()
918 .h_5_6()
919 .w_12()
920 .bottom_0()
921 .right(px(52.))
922 .bg(overlay_gradient)
923 .group_hover("edited-code", |style| {
924 style.bg(overlay_gradient_hover)
925 }),
926 )
927 .on_click({
928 let buffer = buffer.clone();
929 cx.listener(move |this, _, window, cx| {
930 this.handle_file_click(buffer.clone(), window, cx);
931 })
932 });
933
934 Some(element)
935 },
936 )),
937 )
938 })
939 }
940
941 fn render_token_limit_callout(
942 &self,
943 line_height: Pixels,
944 token_usage_ratio: TokenUsageRatio,
945 cx: &mut Context<Self>,
946 ) -> Div {
947 let heading = if token_usage_ratio == TokenUsageRatio::Exceeded {
948 "Thread reached the token limit"
949 } else {
950 "Thread reaching the token limit soon"
951 };
952
953 h_flex()
954 .p_2()
955 .gap_2()
956 .flex_wrap()
957 .justify_between()
958 .bg(
959 if token_usage_ratio == TokenUsageRatio::Exceeded {
960 cx.theme().status().error_background.opacity(0.1)
961 } else {
962 cx.theme().status().warning_background.opacity(0.1)
963 })
964 .border_t_1()
965 .border_color(cx.theme().colors().border)
966 .child(
967 h_flex()
968 .gap_2()
969 .items_start()
970 .child(
971 h_flex()
972 .h(line_height)
973 .justify_center()
974 .child(
975 if token_usage_ratio == TokenUsageRatio::Exceeded {
976 Icon::new(IconName::X)
977 .color(Color::Error)
978 .size(IconSize::XSmall)
979 } else {
980 Icon::new(IconName::Warning)
981 .color(Color::Warning)
982 .size(IconSize::XSmall)
983 }
984 ),
985 )
986 .child(
987 v_flex()
988 .mr_auto()
989 .child(Label::new(heading).size(LabelSize::Small))
990 .child(
991 Label::new(
992 "Start a new thread from a summary to continue the conversation.",
993 )
994 .size(LabelSize::Small)
995 .color(Color::Muted),
996 ),
997 ),
998 )
999 .child(
1000 Button::new("new-thread", "Start New Thread")
1001 .on_click(cx.listener(|this, _, window, cx| {
1002 let from_thread_id = Some(this.thread.read(cx).id().clone());
1003
1004 window.dispatch_action(Box::new(NewThread {
1005 from_thread_id
1006 }), cx);
1007 }))
1008 .icon(IconName::Plus)
1009 .icon_position(IconPosition::Start)
1010 .icon_size(IconSize::Small)
1011 .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1012 .label_size(LabelSize::Small),
1013 )
1014 }
1015
1016 pub fn last_estimated_token_count(&self) -> Option<usize> {
1017 self.last_estimated_token_count
1018 }
1019
1020 pub fn is_waiting_to_update_token_count(&self) -> bool {
1021 self.update_token_count_task.is_some()
1022 }
1023
1024 fn reload_context(&mut self, cx: &mut Context<Self>) -> Task<Option<ContextLoadResult>> {
1025 let load_task = cx.spawn(async move |this, cx| {
1026 let Ok(load_task) = this.update(cx, |this, cx| {
1027 let new_context = this.context_store.read_with(cx, |context_store, cx| {
1028 context_store.new_context_for_thread(this.thread.read(cx))
1029 });
1030 load_context(new_context, &this.project, &this.prompt_store, cx)
1031 }) else {
1032 return;
1033 };
1034 let result = load_task.await;
1035 this.update(cx, |this, cx| {
1036 this.last_loaded_context = Some(result);
1037 this.load_context_task = None;
1038 this.message_or_context_changed(false, cx);
1039 })
1040 .ok();
1041 });
1042 // Replace existing load task, if any, causing it to be cancelled.
1043 let load_task = load_task.shared();
1044 self.load_context_task = Some(load_task.clone());
1045 cx.spawn(async move |this, cx| {
1046 load_task.await;
1047 this.read_with(cx, |this, _cx| this.last_loaded_context.clone())
1048 .ok()
1049 .flatten()
1050 })
1051 }
1052
1053 fn handle_message_changed(&mut self, cx: &mut Context<Self>) {
1054 self.message_or_context_changed(true, cx);
1055 }
1056
1057 fn message_or_context_changed(&mut self, debounce: bool, cx: &mut Context<Self>) {
1058 cx.emit(MessageEditorEvent::Changed);
1059 self.update_token_count_task.take();
1060
1061 let Some(default_model) = LanguageModelRegistry::read_global(cx).default_model() else {
1062 self.last_estimated_token_count.take();
1063 return;
1064 };
1065
1066 let editor = self.editor.clone();
1067
1068 self.update_token_count_task = Some(cx.spawn(async move |this, cx| {
1069 if debounce {
1070 cx.background_executor()
1071 .timer(Duration::from_millis(200))
1072 .await;
1073 }
1074
1075 let token_count = if let Some(task) = this.update(cx, |this, cx| {
1076 let loaded_context = this
1077 .last_loaded_context
1078 .as_ref()
1079 .map(|context_load_result| &context_load_result.loaded_context);
1080 let message_text = editor.read(cx).text(cx);
1081
1082 if message_text.is_empty()
1083 && loaded_context.map_or(true, |loaded_context| loaded_context.is_empty())
1084 {
1085 return None;
1086 }
1087
1088 let mut request_message = LanguageModelRequestMessage {
1089 role: language_model::Role::User,
1090 content: Vec::new(),
1091 cache: false,
1092 };
1093
1094 if let Some(loaded_context) = loaded_context {
1095 loaded_context.add_to_request_message(&mut request_message);
1096 }
1097
1098 if !message_text.is_empty() {
1099 request_message
1100 .content
1101 .push(MessageContent::Text(message_text));
1102 }
1103
1104 let request = language_model::LanguageModelRequest {
1105 thread_id: None,
1106 prompt_id: None,
1107 mode: None,
1108 messages: vec![request_message],
1109 tools: vec![],
1110 stop: vec![],
1111 temperature: None,
1112 };
1113
1114 Some(default_model.model.count_tokens(request, cx))
1115 })? {
1116 task.await?
1117 } else {
1118 0
1119 };
1120
1121 this.update(cx, |this, cx| {
1122 this.last_estimated_token_count = Some(token_count);
1123 cx.emit(MessageEditorEvent::EstimatedTokenCount);
1124 this.update_token_count_task.take();
1125 })
1126 }));
1127 }
1128}
1129
1130impl EventEmitter<MessageEditorEvent> for MessageEditor {}
1131
1132pub enum MessageEditorEvent {
1133 EstimatedTokenCount,
1134 Changed,
1135}
1136
1137impl Focusable for MessageEditor {
1138 fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
1139 self.editor.focus_handle(cx)
1140 }
1141}
1142
1143impl Render for MessageEditor {
1144 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1145 let thread = self.thread.read(cx);
1146 let total_token_usage = thread.total_token_usage(cx);
1147 let token_usage_ratio = total_token_usage.ratio();
1148
1149 let action_log = self.thread.read(cx).action_log();
1150 let changed_buffers = action_log.read(cx).changed_buffers(cx);
1151
1152 let font_size = TextSize::Small.rems(cx);
1153 let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
1154
1155 v_flex()
1156 .size_full()
1157 .when(changed_buffers.len() > 0, |parent| {
1158 parent.child(self.render_changed_buffers(&changed_buffers, window, cx))
1159 })
1160 .child(self.render_editor(font_size, line_height, window, cx))
1161 .when(token_usage_ratio != TokenUsageRatio::Normal, |parent| {
1162 parent.child(self.render_token_limit_callout(line_height, token_usage_ratio, cx))
1163 })
1164 }
1165}